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nixpkgs/pkgs/applications/science/math/calc/default.nix

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{ stdenv, lib, fetchurl, util-linux, makeWrapper
, enableReadline ? true, readline, ncurses }:
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stdenv.mkDerivation rec {
pname = "calc";
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version = "2.14.0.14";
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src = fetchurl {
urls = [
"https://github.com/lcn2/calc/releases/download/${version}/${pname}-${version}.tar.bz2"
"http://www.isthe.com/chongo/src/calc/${pname}-${version}.tar.bz2"
];
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sha256 = "sha256-93J4NaED2XEsVxlY6STpwlS9FI8I60NIAZvDT45xxV0=";
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};
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postPatch = ''
substituteInPlace Makefile \
--replace '-install_name ''${LIBDIR}/libcalc''${LIB_EXT_VERSION}' '-install_name ''${T}''${LIBDIR}/libcalc''${LIB_EXT_VERSION}' \
--replace '-install_name ''${LIBDIR}/libcustcalc''${LIB_EXT_VERSION}' '-install_name ''${T}''${LIBDIR}/libcustcalc''${LIB_EXT_VERSION}'
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'';
nativeBuildInputs = [ makeWrapper ];
buildInputs = [ util-linux ]
++ lib.optionals enableReadline [ readline ncurses ];
makeFlags = [
"T=$(out)"
"INCDIR="
"BINDIR=/bin"
"LIBDIR=/lib"
"CALC_SHAREDIR=/share/calc"
"CALC_INCDIR=/include"
"MANDIR=/share/man/man1"
# Handle LDFLAGS defaults in calc
"DEFAULT_LIB_INSTALL_PATH=$(out)/lib"
] ++ lib.optionals enableReadline [
"READLINE_LIB=-lreadline"
"USE_READLINE=-DUSE_READLINE"
];
meta = with lib; {
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description = "C-style arbitrary precision calculator";
homepage = "http://www.isthe.com/chongo/tech/comp/calc/";
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# The licensing situation depends on readline (see section 3 of the LGPL)
# If linked against readline then GPLv2 otherwise LGPLv2.1
license = with licenses; if enableReadline then gpl2Only else lgpl21Only;
maintainers = with maintainers; [ matthewbauer ];
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platforms = platforms.all;
};
}